Mistake Proofing

Take a look around your workplace $($or home or any other environment$),$ school, or walk into a healthcare organization and look for two examples of "Mistake Proofing" $-$ any level.

Q:

Share the example and the level you believe it to be and why.

Does this example help address variation?

Discuss the affect on safety and risk of defect. If possible take a picture or attach the tool for others.